document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=292614>Question 292614</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sales price of a car is $12,590, which is 20% off the original price. What is the original price?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #211313 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=211313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> S = Sale price of car = $12,590.\r<BR>\n" );
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document.write( "O = Original price of car which is yet to be determined.\r<BR>\n" );
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document.write( "The original price of the car minus 20% is equal to the sale price of the car.\r<BR>\n" );
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document.write( "In equation form, this means:\r<BR>\n" );
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document.write( "O - .2*O = S\r<BR>\n" );
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document.write( "Simplify this to get:\r<BR>\n" );
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document.write( "O * (1-.2) = S\r<BR>\n" );
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document.write( "Simplify this further to get:\r<BR>\n" );
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document.write( ".8*O = S\r<BR>\n" );
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document.write( "Divide both sides of this equation by .8 to get:\r<BR>\n" );
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document.write( "O = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%2F.8 ALIGN=MIDDLE  ALT=\"S%2F.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Since S = 12590, this becomes:\r<BR>\n" );
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document.write( "O = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12590%2F.8 ALIGN=MIDDLE  ALT=\"12590%2F.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Simplify this to get:\r<BR>\n" );
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document.write( "O = 15737.5\r<BR>\n" );
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document.write( "The original price of the car should be $15,737.50\r<BR>\n" );
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document.write( "To confirm, plug this value into the original equation to see if it's true.\r<BR>\n" );
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document.write( "The original equation is:\r<BR>\n" );
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document.write( "O - .2*O = S\r<BR>\n" );
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document.write( "Substitute 15737.5 for O to get:\r<BR>\n" );
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document.write( "15737.5 - .2*15737.5 = S\r<BR>\n" );
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document.write( "Simplify to get:\r<BR>\n" );
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document.write( "15737.5 - 3147.5 = S\r<BR>\n" );
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document.write( "Simplify further to get:\r<BR>\n" );
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document.write( "12590 = S\r<BR>\n" );
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document.write( "Since S = 12590 is the same sales price that we started with, the answer is confirmed as good.\r<BR>\n" );
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document.write( "The original price of the car was $15,737.50.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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